Search a number
-
+
20333122231001 = 109186542405789
BaseRepresentation
bin1001001111110001011001…
…00001110001101011011001
32122222211100020201012112012
410213320230201301223121
510131114213242343001
6111124523555355305
74166006503201346
oct447705441615331
978884306635465
1020333122231001
11652a257463768
1223448415b2b35
13b465362b74a8
145041b234b7cd
15253da03092bb
hex127e2c871ad9

20333122231001 has 4 divisors (see below), whose sum is σ = 20519664636900. Its totient is φ = 20146579825104.

The previous prime is 20333122230929. The next prime is 20333122231043. The reversal of 20333122231001 is 10013222133302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13795103358976 + 6538018872025 = 3714176^2 + 2556955^2 .

It is a cyclic number.

It is not a de Polignac number, because 20333122231001 - 210 = 20333122229977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20333122234001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93271202786 + ... + 93271203003.

It is an arithmetic number, because the mean of its divisors is an integer number (5129916159225).

Almost surely, 220333122231001 is an apocalyptic number.

It is an amenable number.

20333122231001 is a deficient number, since it is larger than the sum of its proper divisors (186542405899).

20333122231001 is a wasteful number, since it uses less digits than its factorization.

20333122231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186542405898.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20333122231001 its reverse (10013222133302), we get a palindrome (30346344364303).

The spelling of 20333122231001 in words is "twenty trillion, three hundred thirty-three billion, one hundred twenty-two million, two hundred thirty-one thousand, one".

Divisors: 1 109 186542405789 20333122231001